Color

#137bae

#137bae
hex#137bae
rgbrgb(19, 123, 174)
hslhsl(200, 80%, 38%)
oklchoklch(0.553 0.117 237.6)
Closest name: Brilliant Blue (#0075b3)Relative luminance 0.1736

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#ae4713

#13ae95 · #132dae

#ae137b · #7bae13

Split-complementary

Open in tool →

#ae132d · #ae9513

#9513ae · #ae4713 · #2dae13

Contrast

#137bae as textRatioAAAA largeAAAFix
Aaon white
4.7:1passpassfail
  • AAA: use #0f5e85 as the text (7.09:1)
Aaon black
4.47:1failpassfail
  • AA: use #147eb3 as the text (4.67:1)
  • AAA: use #199ee1 as the text (7.02:1)
  • AA: or shift the background to #fcfcfc (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #137bae as the background.

Brands using this color

Fonts for this mood

#137bae reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #137bae
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #137bae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/137bae-9cb2c4-df4e64-1f232d-e9f1f0?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md